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HQST 100 Watt 12V Monocrystalline Lightweight Solar Panel for RV/ Boat/ Other Off Grid Applications
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- Top ranked PTC rating; high module conversion efficiency; fast and inexpensive mounting.
- The junction box is sealed and waterproof, and a pair of 10 inches cables (we keep the panel cable short to avoid the cable shade from the solar panel) with MC4 connectors comes with the panel automatically.
- Can be affixed by adhesive, grommets, zip ties or velcro; can be installed without costly structural roof reinforcements. Holes on panels are pre-drilled for fast mounting and securing, perfect for non-permanent installations.
- Maximizes system output by reducing mismatch loss; 100% EL testing on all HQST solar modules, guaranteed no hot spots.
- Ideal for storage in tight spaces or crowded areas that are typically off limits for traditional glass and aluminum models. Please note: do not bend your panels.
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The HQST 100 Watt 12 Volt Monocrystalline Lightweight Solar Panel uses advanced monocrystalline cells that have been laminated into a thin plastic sheet. The result is a solar panel that is far more durable and efficient than traditional glass and aluminum models.
Various, non-common installation applications.
Can be affixed by adhesive, grommets, zip ties or velcro.
Can be installed without costly structural roof reinforcements.
Holes on panels are pre-drilled for fast mounting and securing, perfect for non-permanent installations.
Ideal for storage in tight spaces or crowded areas that are typically off limits for traditional glass and aluminum models.
The junction box is sealed and waterproof, and a pair of 10 inches cables with MC4 connectors comes with the panel automatically.
Maximum Power: 100W
Maximum System Voltage: 600V DC (UL)
Optimum Operating Voltage (Vmp): 17.7V
Optimum Operating Current (Imp): 5.70A
Open-Circuit Voltage (Voc): 21.7V
Short-Circuit Current (Isc): 6.10A
Dimensions: 41.7 X 21.3 X 0.12 inches
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Lightweight and excellent form factor makes this product very appealing. You might be tempted to ignore all of the negative reviews by telling yourself that other customers probably misused the product or installed it incorrectly, and that is why the product failed. Wrong! This panel will work great for 3-12 months then it will completely crap out. To top it off, HQST customer service SUCKS! They don't stand behind their products (they will say anything to make a sell), they don't provide the promised warranty and they will try and make you go around in circles before you finally give up and realize that it is not worth the headache that they create. Impossible to know if the CS representative is faking poor/ no reading comprehension or if they really are just that dumb. Warranty = 1 years. That what is says, "years." The company's proof reading and product packaging is on par with their manufacturing. Take $184.99 and light it on fire, it will be money better spent.
I have been dabbling with solar panels for fifteen years.
If I had reviewed this product after the first two months of use, I would have rated it 5-stars. That is probably why this product currently has a 4/5 star rating. However, look closer at the ratings, 61% five-star is not good. Four and five star combined rating is 75%. This is way too generous. Folks reviewed this product too soon.
Lightweight and flexible, I ignored all of the negative reviews because the form factor was perfect for my intended application; mounted on top of a camper shell where it could be used for remote camping/ overland expeditions/ whatever you want to call it. I hooked the panel into a WindyNation P30L charge controller that regulated the charge into a Vmaxtanks SLR125 AGM battery. The system was supposed to provide reliable regulated power to a Dometic cfx-65dz fridge, some LED lights and a charging station. I work as a field biologist in the Mojave Desert and I rely on these things to keep my food fresh, my work equipment charged and my life comfortable.
This HQST 100 watt 12V Monocrystalline panel worked great for almost 90 days. Hard to say exactly when it crapped the bed because I wasn't holding a volt meter on it every day (which is what you better do if you decide to ignore this review and buy it anyway). About a month after installing it, I took a fishing trip to Baja. I was blown away after camping for 4-days in 110 deg temps when my Fridge was cranking out ice cubes for my Margaritas and the battery was still fully charged by sunset (reading 13.6 volts just before sundown, which corresponded with the float setting on the charge controller). The system was working hard and the panel was keeping pace. Those were the glory days.
Two months later I was surprised to see the battery voltage dropping lower and lower. Fortunately, I have a voltage sensitive regulator that provides a charge from the vehicle's alternator when I am driving. After being parked for a few days, I went into panic mode when the battery voltage had dipped to 12.0 volts, knowing that this depth of discharge could damage the battery. At this point I suspected that the panel had become useless. This suspicion was confirmed with a voltmeter, showing that the panel would only produce 9 volts.
Life got in the way and I wasn't able to contact HQST until months later, after I got out of the field. At this point it was 1-years (<------- hahahahaa) since the item had shipped and they refused to provide any warranty support (even though the failure occurred during the warranty period). This doesn't surprise me; the company knows that they are selling a defective item. They will straight up tell you that you took a gamble when you decided to purchase the item, and that you lost. At first I was frustrated that this panel only worked for about three months but after reflecting (pun not intended) on my experiences with this company, I am surprised that it lasted that long. This product provides "green" energy only in the sense that HQST will take your hard-earned American dollars and give you nothing in return.
My recommendation is that you look elsewhere (anywhere else) if you are in the market for a reliable, lightweight semi-flexible solar panel. You might consider Sun Power (us.sunpower.com/flexible-solar-panels/) or the Apollo Flex panels that SEP Batteries sells. I will probably give up on the semi-flexible stuff for now and go back to the traditional aluminum-framed form factor.
Save your money!